@healthinsights9570: A plaque is an abnormal cluster of protein fragments. Such clusters can be found between nerve cells in the brain of someone with Alzheimer. A microscope will also show damaged nerve cells. In them are tangles called neurofibrillary tangles. These consist of twisted strands of a different protein. Together, the plaque and tangles cause structural and chemical problems. It appears that Alzheimer disease causes parts of the brain that normally work together to disconnect.

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Sunday 15 December 2024 22:19:28 GMT